Entry 2 senses · 2 variants Webster, 1913 Inexistence · In·ex·ist·ence · IPA /ˌɪnɪɡˈzɪstəns/ n. n. 01 n. Inherence; subsistence. 1. Inherence; subsistence.[Obs.] 02 n. Lack of being or existence. 1. Lack of being or existence.